Home / 1,992,802.90-2,989,204.35-982,117.30

Finding the Fourth Proportional to 1,992,802.90, 2,989,204.35 and 982,117.30

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Solution

The fourth proportional to 1,992,802.90, 2,989,204.35 and 982,117.30 is: 1,473,175.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,802.90 : 2,989,204.35 = 982,117.30 : x
  2. Step 2: Convert to fraction form
    1,992,802.90/2,989,204.35 = 982,117.30/x
  3. Step 3: Cross multiply
    1,992,802.90x = 2,989,204.35 × 982,117.30
  4. Step 4: Simplify right side
    1,992,802.90x = 2,935,749,305,370.26
  5. Step 5: Solve for x
    x = 2,935,749,305,370.26/1,992,802.90
  6. Step 6: Final answer
    x = 1,473,175.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.